1 /*	$NetBSD: netbsd32_compat_12.c,v 1.32 2009/01/30 13:01:36 njoly Exp $	*/
2 
3 /*
4  * Copyright (c) 1998, 2001 Matthew R. Green
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_12.c,v 1.32 2009/01/30 13:01:36 njoly Exp $");
31 
32 #if defined(_KERNEL_OPT)
33 #include "opt_compat_netbsd.h"
34 #endif
35 
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/mount.h>
39 #include <sys/mman.h>
40 #include <sys/proc.h>
41 #include <sys/stat.h>
42 #include <sys/swap.h>
43 #include <sys/syscallargs.h>
44 
45 #include <compat/sys/stat.h>
46 
47 #include <compat/netbsd32/netbsd32.h>
48 #include <compat/netbsd32/netbsd32_syscallargs.h>
49 
50 static void netbsd32_stat12_to_netbsd32(struct stat12 *,
51 		struct netbsd32_stat12 *);
52 
53 /* for use with {,fl}stat() */
54 static void
55 netbsd32_stat12_to_netbsd32(struct stat12 *sp12, struct netbsd32_stat12 *sp32)
56 {
57 
58 	sp32->st_dev = sp12->st_dev;
59 	sp32->st_ino = sp12->st_ino;
60 	sp32->st_mode = sp12->st_mode;
61 	sp32->st_nlink = sp12->st_nlink;
62 	sp32->st_uid = sp12->st_uid;
63 	sp32->st_gid = sp12->st_gid;
64 	sp32->st_rdev = sp12->st_rdev;
65 	if (sp12->st_size < (quad_t)1 << 32)
66 		sp32->st_size = sp12->st_size;
67 	else
68 		sp32->st_size = -2;
69 	sp32->st_atimespec.tv_sec = sp12->st_atimespec.tv_sec;
70 	sp32->st_atimespec.tv_nsec = sp12->st_atimespec.tv_nsec;
71 	sp32->st_mtimespec.tv_sec = sp12->st_mtimespec.tv_sec;
72 	sp32->st_mtimespec.tv_nsec = sp12->st_mtimespec.tv_nsec;
73 	sp32->st_ctimespec.tv_sec = sp12->st_ctimespec.tv_sec;
74 	sp32->st_ctimespec.tv_nsec = sp12->st_ctimespec.tv_nsec;
75 	sp32->st_blocks = sp12->st_blocks;
76 	sp32->st_blksize = sp12->st_blksize;
77 	sp32->st_flags = sp12->st_flags;
78 	sp32->st_gen = sp12->st_gen;
79 }
80 
81 int
82 compat_12_netbsd32_reboot(struct lwp *l, const struct compat_12_netbsd32_reboot_args *uap, register_t *retval)
83 {
84 	/* {
85 		syscallarg(int) opt;
86 	} */
87 	struct compat_12_sys_reboot_args ua;
88 
89 	NETBSD32TO64_UAP(opt);
90 	return (compat_12_sys_reboot(l, &ua, retval));
91 }
92 
93 int
94 compat_12_netbsd32_msync(struct lwp *l, const struct compat_12_netbsd32_msync_args *uap, register_t *retval)
95 {
96 	/* {
97 		syscallarg(netbsd32_voidp) addr;
98 		syscallarg(netbsd32_size_t) len;
99 	} */
100 	struct sys___msync13_args ua;
101 
102 	NETBSD32TOP_UAP(addr, void *);
103 	NETBSD32TOX_UAP(len, size_t);
104 	SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE;
105 	return (sys___msync13(l, &ua, retval));
106 }
107 
108 int
109 compat_12_netbsd32_oswapon(struct lwp *l, const struct compat_12_netbsd32_oswapon_args *uap, register_t *retval)
110 {
111 	/* {
112 		syscallarg(const netbsd32_charp) name;
113 	} */
114 	struct sys_swapctl_args ua;
115 
116 	SCARG(&ua, cmd) = SWAP_ON;
117 	SCARG(&ua, arg) = SCARG_P32(uap, name);
118 	SCARG(&ua, misc) = 0;	/* priority */
119 	return (sys_swapctl(l, &ua, retval));
120 }
121 
122 int
123 compat_12_netbsd32_stat12(struct lwp *l, const struct compat_12_netbsd32_stat12_args *uap, register_t *retval)
124 {
125 	/* {
126 		syscallarg(const netbsd32_charp) path;
127 		syscallarg(netbsd32_stat12p_t) ub;
128 	} */
129 	struct netbsd32_stat12 *sp32, sb32;
130 	struct stat12 sb12;
131 	struct stat12 *sp12 = &sb12;
132 	struct compat_12_sys_stat_args ua;
133 	int rv;
134 
135 	NETBSD32TOP_UAP(path, const char);
136 	SCARG(&ua, ub) = &sb12;
137 
138 	rv = compat_12_sys_stat(l, &ua, retval);
139 	if (rv)
140 		return (rv);
141 
142 	sp32 = SCARG_P32(uap, ub);
143 	netbsd32_stat12_to_netbsd32(sp12, &sb32);
144 
145 	return (copyout(&sb32, sp32, sizeof sb32));
146 }
147 
148 int
149 compat_12_netbsd32_fstat12(struct lwp *l, const struct compat_12_netbsd32_fstat12_args *uap, register_t *retval)
150 {
151 	/* {
152 		syscallarg(int) fd;
153 		syscallarg(netbsd32_stat12p_t) sb;
154 	} */
155 	struct netbsd32_stat12 *sp32, sb32;
156 	struct stat12 sb12;
157 	struct stat12 *sp12 = &sb12;
158 	struct compat_12_sys_fstat_args ua;
159 	int rv;
160 
161 	NETBSD32TO64_UAP(fd);
162 	SCARG(&ua, sb) = &sb12;
163 	rv = compat_12_sys_fstat(l, &ua, retval);
164 	if (rv)
165 		return (rv);
166 
167 	sp32 = SCARG_P32(uap, sb);
168 	netbsd32_stat12_to_netbsd32(sp12, &sb32);
169 
170 	return (copyout(&sb32, sp32, sizeof sb32));
171 }
172 
173 int
174 compat_12_netbsd32_lstat12(struct lwp *l, const struct compat_12_netbsd32_lstat12_args *uap, register_t *retval)
175 {
176 	/* {
177 		syscallarg(const netbsd32_charp) path;
178 		syscallarg(netbsd32_stat12p_t) ub;
179 	} */
180 	struct netbsd32_stat12 *sp32, sb32;
181 	struct stat12 sb12;
182 	struct stat12 *sp12 = &sb12;
183 	struct compat_12_sys_lstat_args ua;
184 	int rv;
185 
186 	NETBSD32TOP_UAP(path, const char);
187 	SCARG(&ua, ub) = &sb12;
188 
189 	rv = compat_12_sys_lstat(l, &ua, retval);
190 	if (rv)
191 		return (rv);
192 
193 	sp32 = SCARG_P32(uap, ub);
194 	netbsd32_stat12_to_netbsd32(sp12, &sb32);
195 
196 	return (copyout(&sb32, sp32, sizeof sb32));
197 }
198 
199 int
200 compat_12_netbsd32_getdirentries(struct lwp *l, const struct compat_12_netbsd32_getdirentries_args *uap, register_t *retval)
201 {
202 	/* {
203 		syscallarg(int) fd;
204 		syscallarg(netbsd32_charp) buf;
205 		syscallarg(u_int) count;
206 		syscallarg(netbsd32_longp) basep;
207 	} */
208 	struct compat_12_sys_getdirentries_args ua;
209 
210 	NETBSD32TO64_UAP(fd);
211 	NETBSD32TOP_UAP(buf, char);
212 	NETBSD32TO64_UAP(count);
213 	NETBSD32TOP_UAP(basep, long);
214 
215 	return (compat_12_sys_getdirentries(l, &ua, retval));
216 }
217